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Published on: September 25, 2009
Cerebral bacterial aneurysm and indications for cerebral angiography in infective endocarditis
M Yamada1, Y Miyasaka, H Takagi
1Department of Neurosurgery, Kitasato University School of Medicine, Kanagawa.
Insights
Early cerebral angiography is crucial for patients with infective endocarditis (IE). Prompt detection of cerebral bacterial aneurysms, indicated by embolic signs, can prevent fatal rupture.
Area of Science:
- Neurology
- Cardiology
- Infectious Diseases
Background:
- Infective endocarditis (IE) can lead to serious neurological complications.
- Cerebral bacterial aneurysms (CBAs) are a rare but life-threatening manifestation of IE.
Observation:
- This review examined six IE patients with CBAs.
- Four patients experienced embolic events preceding aneurysm rupture or detection.
- Conservative management was employed for all patients.
Findings:
- Cerebral angiography is vital for early detection of unruptured CBAs.
- Embolic signs and symptoms in IE patients are critical indicators for prompt cerebral angiography.
- Four out of six patients died due to aneurysm rupture.
Implications:
- Implementing timely cerebral angiography based on embolic signs can improve outcomes in IE patients.
- Early detection and intervention for CBAs may reduce mortality associated with IE.
- This highlights the importance of a multidisciplinary approach in managing IE complications.
Abstract:
Six infective endocarditis patients who developed cerebral bacterial aneurysm were reviewed to clarify the indications and timing for cerebral angiography to achieve early detection of unruptured aneurysms. All cerebral bacterial aneurysms were confirmed either angiographically or at autopsy. All patients were treated conservatively. Four patients died due to ruptured aneurysm. Four of the six patients showed the signs and symptoms of cerebral and/or systemic embolism, followed by rupture or detection of cerebral bacterial aneurysm. Prodromal signs and symptoms of embolism in patients with infective endocarditis should be considered as indicators for cerebral angiography to detect cerebral bacterial aneurysms before rupture.
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